JP6705406B2 - Service plug - Google Patents
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- JP6705406B2 JP6705406B2 JP2017053210A JP2017053210A JP6705406B2 JP 6705406 B2 JP6705406 B2 JP 6705406B2 JP 2017053210 A JP2017053210 A JP 2017053210A JP 2017053210 A JP2017053210 A JP 2017053210A JP 6705406 B2 JP6705406 B2 JP 6705406B2
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- terminal
- power supply
- unit
- service plug
- supply circuit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0007—Measures or means for preventing or attenuating collisions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/14—Air-break switches for high tension without arc-extinguishing or arc-preventing means with bridging contact that is not electrically connected to either line contact in open position of switch
- H01H31/24—Air-break switches for high tension without arc-extinguishing or arc-preventing means with bridging contact that is not electrically connected to either line contact in open position of switch with rectilinearly-movable bridging contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
- H01R13/7132—Structural association with built-in electrical component with built-in switch the switch being a safety switch having ejecting mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/08—Short-circuiting members for bridging contacts in a counterpart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/637—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by fluid pressure, e.g. explosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Description
本発明は、サービスプラグに関するものである。 The present invention relates to service plugs.
従来、ハイブリッド車や電気自動車等の車両には、バッテリからの給電を遮断するための電源回路遮断装置としてサービスプラグが知られている（例えば特許文献１参照）。
このようなサービスプラグでは、メンテナンスや修理時に取り外すことでバッテリと負荷との間の電源回路を遮断して作業の安全性を確保している。
BACKGROUND ART Conventionally, a service plug is known as a power supply circuit interruption device for interrupting power supply from a battery in vehicles such as a hybrid vehicle and an electric vehicle (see, for example, Patent Document 1).
By removing such a service plug at the time of maintenance or repair, the power supply circuit between the battery and the load is cut off to ensure work safety.
このようなサービスプラグは、人が操作可能なレバーにインターロック端子を設け、コネクタ部（特許文献１では待受側ハウジング）の端子に接続することで電源回路を閉状態とし、インターロック端子とコネクタ部の端子とを離間させることで電源回路を開状態としてバッテリからの電力供給を遮断するようになっている。 In such a service plug, an interlock terminal is provided on a lever that can be operated by a person, and the power circuit is closed by connecting the interlock terminal to a terminal of a connector portion (in the housing on the standby side in Patent Document 1), and By separating the terminals of the connector from each other, the power supply circuit is opened to cut off the power supply from the battery.
ところで、上記のようなサービスプラグでは、例えば車両衝突時等には救助者が切り換えレバー部を操作してインターロック用端子とコネクタ部の端子との電気的接続を解除することでバッテリからの電力供給を遮断することが可能となっていが、更なる安全性の向上が望まれている。 By the way, in the service plug as described above, for example, in the event of a vehicle collision, a rescuer operates the switching lever portion to release the electrical connection between the interlock terminal and the terminal of the connector portion, thereby reducing the power consumption from the battery. It is possible to cut off the supply, but further improvement in safety is desired.
本発明は、上記課題を解決するためになされたものであって、その目的は、安全性を向上できるサービスプラグを提供することにある。 The present invention has been made to solve the above problems, and an object thereof is to provide a service plug capable of improving safety.
上記課題を解決するサービスプラグは、車両のバッテリから負荷間の電源回路上に配置されたコネクタ部に対して着脱可能なサービスプラグであって、前記コネクタ部の第１端子と接続されて前記電源回路に接続される一対のパワーバスバーを有する本体部と、前記コネクタ部の第２端子と導通状態で前記電源回路を閉状態とし、前記コネクタ部の第２端子と非導通状態で前記電源回路を開状態とするインターロック端子を有する切り換えレバー部と、前記車両の衝突検知信号に基づいて動作するアクチュエータにより少なくとも前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態として前記電源回路を開状態とする電源遮断部と、を備える。 A service plug that solves the above problem is a service plug that is attachable to and detachable from a connector portion arranged on a power supply circuit between a battery of a vehicle and a load, and is connected to a first terminal of the connector portion to connect to the power supply. A main body portion having a pair of power bus bars connected to a circuit; and a second terminal of the connector portion in a conductive state to close the power supply circuit, and a second terminal of the connector portion in a non-conductive state to connect the power supply circuit. At least the interlock terminal of the switching lever unit is brought into a non-conducting state with the second terminal by the switching lever unit having the interlock terminal that is opened and the actuator that operates based on the collision detection signal of the vehicle, And a power cutoff unit that is in an open state.
この構成によれば、車両の衝突検知信号に基づいて動作するアクチュエータにより切り換えレバー部のインターロック端子を第２端子と非導通状態とすることで電源回路を開状態としてバッテリからの電力供給を遮断することができる。このように車両衝突時においてアクチュエータの動作によってバッテリからの電力供給を遮断することができるため、安全性を向上できる。 According to this configuration, the actuator that operates based on the collision detection signal of the vehicle makes the interlock terminal of the switching lever unit non-conductive with the second terminal, thereby opening the power supply circuit and cutting off the power supply from the battery. can do. In this way, since the power supply from the battery can be shut off by the operation of the actuator in the event of a vehicle collision, safety can be improved.
上記サービスプラグにおいて、前記切り換えレバー部は、前記本体部に対して回動動作により、前記本体部と前記コネクタ部との固定状態で保持する保持状態と、前記保持状態を解除して前記本体部を取り外し可能な解除状態とに切り換えるものであり、前記電源遮断部は、前記アクチュエータにより、前記解除状態とすることで前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態として前記電源回路を開状態とすることが好ましい。 In the above service plug, the switching lever portion is rotated with respect to the main body portion to hold the main body portion and the connector portion in a fixed state, and release the held state to release the main body portion. Is switched to a removable release state, and the power cutoff unit sets the interlock terminal of the switching lever unit to a non-conductive state with the second terminal by setting the release state by the actuator. It is preferable to open the circuit.
この構成によれば、アクチュエータにより切り換えレバー部が解除状態とすることでインターロック端子と第２端子とが非導通状態となって電源回路を開状態とされるため、車両衝突時においてサービスプラグをコネクタ部から容易に取り外すことができる。 According to this structure, when the switching lever is released by the actuator, the interlock terminal and the second terminal are brought into non-conduction and the power supply circuit is opened, so that the service plug can be opened in the event of a vehicle collision. It can be easily removed from the connector.
上記サービスプラグにおいて、前記電源遮断部は、前記本体部と前記コネクタ部との間に設けられて、前記アクチュエータにより前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態とするとともに前記パワーバスバーを前記第１端子と非導通状態として前記電源回路を開状態とすることが好ましい。 In the above service plug, the power cutoff portion is provided between the main body portion and the connector portion, and the actuator causes the interlock terminal of the switching lever portion to be in a non-conductive state with the second terminal. It is preferable that the power bus bar is made non-conductive with the first terminal to open the power supply circuit.
この構成によれば、インターロック端子と第２端子とを非導通状態とするとともにパワーバスバーと第１端子とを非導通状態とすることができるため、電源回路を確実に開状態としてバッテリからの電力供給を遮断することができる。 According to this configuration, the interlock terminal and the second terminal can be made non-conductive and the power bus bar and the first terminal can be made non-conductive, so that the power supply circuit can be reliably opened and the power supply circuit can be removed from the battery. The power supply can be cut off.
上記サービスプラグにおいて、前記電源遮断部の前記アクチュエータは、前記衝突検知信号に基づき作動する火薬式のアクチュエータであることが好ましい。
この構成によれば、火薬式のアクチュエータを用いることで車両衝突時のバッテリからの電力供給を素早く遮断することが可能となる。
In the service plug, it is preferable that the actuator of the power cutoff unit is an explosive type actuator that operates based on the collision detection signal.
According to this configuration, by using the explosive-type actuator, it becomes possible to quickly cut off the power supply from the battery in the event of a vehicle collision.
本発明のサービスプラグによれば、安全性を向上できる。 According to the service plug of the present invention, safety can be improved.
（第１実施形態）
以下、サービスプラグの第１実施形態について、図面に従って説明する。なお、各図面では、説明の便宜上、構成の一部を誇張又は簡略化して示す場合がある。また、各部分の寸法比率についても、実際と異なる場合がある。
(First embodiment)
Hereinafter, a first embodiment of the service plug will be described with reference to the drawings. In addition, in each drawing, for convenience of description, a part of the configuration may be exaggerated or simplified. Also, the dimensional ratio of each part may be different from the actual one.
図１に示す車両Ｖは、ワイヤハーネスＷによって電気的に接続されるバッテリユニットＢとインバータユニットＩとモータユニットＭを備える。本例では車両Ｖの前方にインバータユニットＩ及びモータユニットＭが設けられ、インバータユニットＩとモータユニットＭとがワイヤハーネスＷによって接続される。また、車両Ｖの後方にバッテリユニットＢが設けられ、インバータユニットＩとバッテリユニットＢとがワイヤハーネスＷによって接続される。 The vehicle V shown in FIG. 1 includes a battery unit B, an inverter unit I, and a motor unit M that are electrically connected by a wire harness W. In this example, an inverter unit I and a motor unit M are provided in front of the vehicle V, and the inverter unit I and the motor unit M are connected by a wire harness W. A battery unit B is provided behind the vehicle V, and the inverter unit I and the battery unit B are connected by a wire harness W.
バッテリユニットＢには、負荷としてのモータユニットＭとの間の電源回路上にコネクタ部Ｃが設けられる。コネクタ部Ｃにはサービスプラグ１０が着脱可能に設けられる。本例のコネクタ部Ｃは、電源回路を構成する一対の第１端子Ｃ１と、前記電源回路のオンオフを切り換えるインターロック回路を構成する一対の第２端子Ｃ２とを有する。 The battery unit B is provided with a connector portion C on the power supply circuit between the battery unit B and the motor unit M as a load. The service plug 10 is detachably attached to the connector portion C. The connector part C of this example has a pair of first terminals C1 forming a power supply circuit and a pair of second terminals C2 forming an interlock circuit for switching the power supply circuit on and off.
図２に示すように、サービスプラグ１０は、コネクタ部Ｃに対して取り付けられる本体部１１と、本体部１１とコネクタ部Ｃとの固定状態をロック状態とアンロック状態とに切り換える切り換えレバー部１２とを有する。 As shown in FIG. 2, the service plug 10 includes a body portion 11 attached to the connector portion C, and a switching lever portion 12 for switching a fixed state between the body portion 11 and the connector portion C between a locked state and an unlocked state. Have and.
本体部１１は、ハウジング２１と、該ハウジング２１内に設けられる一対のパワーバスバー２２とを有する。一対のパワーバスバー２２は、前記コネクタ部Ｃ側に設けられた第１端子Ｃ１と電気的に接続されてバッテリユニットＢとモータユニットＭとの間に電源回路が形成される。 The main body 11 includes a housing 21 and a pair of power bus bars 22 provided in the housing 21. The pair of power bus bars 22 are electrically connected to the first terminal C1 provided on the connector portion C side, and a power supply circuit is formed between the battery unit B and the motor unit M.
切り換えレバー部１２は、その基端部が回動ピン３１によって本体部１１に対して取り付けられ、回動ピン３１を中心として回動可能となっている。切り換えレバー部１２は、その先端部側にコネクタ部Ｃの第２端子Ｃ２と接続可能なインターロック端子３２を有する。ここで、インターロック回路は、前記電源回路中に介在されるリレー回路を有し、前記インターロック端子３２が前記第２端子Ｃ２と導通されていない状態（非導通状態）で電源回路が開状態（オフ）となり、インターロック端子３２と第２端子Ｃ２とが導通された状態（導通状態）で電源回路が閉状態（オン）となる。 The switching lever portion 12 has a base end portion attached to the main body portion 11 by a rotation pin 31 and is rotatable around the rotation pin 31. The switching lever portion 12 has an interlock terminal 32 that can be connected to the second terminal C2 of the connector portion C on the tip end side thereof. Here, the interlock circuit has a relay circuit interposed in the power supply circuit, and the power supply circuit is in an open state when the interlock terminal 32 is not electrically connected to the second terminal C2 (non-conductive state). (OFF), and the power supply circuit is closed (ON) with the interlock terminal 32 and the second terminal C2 electrically connected (conduction).
また、切り換えレバー部１２は、その先端部にコネクタ部Ｃの係合突部Ｃ３と回動方向において係合する係合爪部３３を有する。係合爪部３３と係合突部Ｃ３とは、所謂スナップフィット構造であって、互いに係合することで切り換えレバー部１２の回動を規制し、本体部１１を固定状態で保持するようになっている。すなわち、切り換えレバー部１２は、本体部１１とコネクタ部Ｃとの固定状態で保持する保持状態と、保持状態を解除して本体部１１を取り外し可能な解除状態とに切り換えることができるようになっている。 Further, the switching lever portion 12 has an engaging claw portion 33 that engages with the engaging protrusion C3 of the connector portion C in the rotation direction at the tip end portion thereof. The engagement claw portion 33 and the engagement protrusion portion C3 have a so-called snap-fit structure, and by engaging with each other, the rotation of the switching lever portion 12 is restricted and the main body portion 11 is held in a fixed state. Is becoming That is, the switching lever portion 12 can be switched between a holding state in which the main body portion 11 and the connector portion C are held in a fixed state and a release state in which the holding state is released and the main body portion 11 is removable. ing.
また、本実施形態のサービスプラグ１０は、切り換えレバー部１２の先端部に電源遮断部１３が設けられる。
図２〜図４（ａ）（ｂ）に示すように、電源遮断部１３は、火薬式のアクチュエータ４１を有している。アクチュエータ４１は、内部に収容空間を有する略円筒状のシリンダ部４２の内部に配設されたピストン部４３と、衝撃検知センサからの衝突検知信号に基づき火薬の着火燃焼によって燃焼ガスを発生させるガス発生部４４とを有する。
Further, the service plug 10 of the present embodiment is provided with a power cutoff unit 13 at the tip of the switching lever unit 12.
As shown in FIG. 2 to FIG. 4A and FIG. 4B, the power cutoff unit 13 includes an explosive-type actuator 41. The actuator 41 includes a piston portion 43 arranged inside a substantially cylindrical cylinder portion 42 having a storage space inside, and a gas for generating combustion gas by ignition combustion of explosive based on a collision detection signal from an impact detection sensor. The generating unit 44.
シリンダ部４２は、その内部の収容空間に面する一方の底部４２ａに貫通孔４２ｂが設けられ、他方の底部４２ｃに前記ガス発生部４４を有する。
ピストン部４３は、柱状部４３ａと、柱状部４３ａの端部に設けられる円板部４３ｂとを有する。ピストン部４３は、柱状部４３ａがシリンダ部４２の貫通孔４２ｂに挿通された状態で、前記円板部４３ｂがシリンダ部４２内部に収容されている。柱状部４３ａの直径は、貫通孔４２ｂの内径と略同じ又はやや小さくなっている。円板部４３ｂの直径は、シリンダ部４２の内径と略同じとされ、柱状部４３ａの直径よりも大きく、貫通孔４２ｂの内径よりも大きくなっている。これにより、例えば円板部４３ｂがシリンダ部４２の一方の底部４２ａに近接した場合であっても、貫通孔４２ｂよりも大径の円板部４３ｂが底部４２ａと当接するため、シリンダ部４２内部からピストン部４３が脱落することが抑えられている。
The cylinder portion 42 is provided with a through hole 42b at one bottom portion 42a facing the accommodation space inside thereof and has the gas generating portion 44 at the other bottom portion 42c.
The piston portion 43 has a columnar portion 43a and a disc portion 43b provided at an end of the columnar portion 43a. The disc portion 43 b of the piston portion 43 is housed inside the cylinder portion 42 in a state where the columnar portion 43 a is inserted into the through hole 42 b of the cylinder portion 42. The diameter of the columnar portion 43a is substantially the same as or slightly smaller than the inner diameter of the through hole 42b. The diameter of the disc portion 43b is substantially the same as the inner diameter of the cylinder portion 42, and is larger than the diameter of the columnar portion 43a and larger than the inner diameter of the through hole 42b. Accordingly, for example, even when the disc portion 43b is close to the one bottom portion 42a of the cylinder portion 42, the disc portion 43b having a larger diameter than the through hole 42b comes into contact with the bottom portion 42a. The piston portion 43 is prevented from falling off.
ガス発生部４４は、シリンダ部４２内の収容空間に面する他方の底部４２ｃとピストン部４３との間に設けられるようにして底部４２ｃに取り付けられている。ガス発生部４４は、図示しない衝突検知センサ（サテライトセンサ）から出力される車両Ｖの衝突を検知した旨を知らせる衝突検知信号Ｓに基づき、図示しないイニシエータ（点火装置）によって着火燃焼されるようになっている。なお、ここで言う衝突検知センサは、加速度センサからの加速度（減速度）情報から衝突を判定する判定回路を含んでおり、該判定回路にて衝突と判定された場合にサービスプラグ１０側に出力されるようになっている。 The gas generating part 44 is attached to the bottom part 42c so as to be provided between the other bottom part 42c facing the accommodation space in the cylinder part 42 and the piston part 43. The gas generating unit 44 is ignited and burned by an initiator (ignition device) (not shown) based on a collision detection signal S output from a collision detection sensor (satellite sensor) (not shown) indicating that a collision of the vehicle V has been detected. Is becoming The collision detection sensor mentioned here includes a judgment circuit for judging a collision from the acceleration (deceleration) information from the acceleration sensor, and outputs to the service plug 10 side when the judgment circuit judges a collision. It is supposed to be done.
そして、ガス発生部４４において火薬が着火燃焼すると、これに伴って発生する燃焼ガスによってピストン部４３が押圧されることにより、同ピストン部４３がシリンダ部４２内部において貫通孔４２ｂを有する底部４２ａ側に向けて移動するようになる。これにより、ピストン部４３（柱状部４３ａ）の先端部は更に外部に露出してコネクタ部Ｃと当接することで発生する反発力によって切り換えレバー部１２がコネクタ部Ｃから離間する方向に動作してインターロック端子３２と、第２端子Ｃ２との機械的接触が解除されて非導通状態となる。これによって、前述したリレー回路がオフとなって電源回路が開放されて非導通状態となる。 Then, when the explosive is ignited and burned in the gas generating portion 44, the piston portion 43 is pressed by the combustion gas generated along with this, so that the piston portion 43 has the through hole 42b inside the cylinder portion 42. To move towards. As a result, the tip end portion of the piston portion 43 (columnar portion 43a) is further exposed to the outside and the repulsive force generated by contact with the connector portion C causes the switching lever portion 12 to move in a direction away from the connector portion C. The mechanical contact between the interlock terminal 32 and the second terminal C2 is released, and the interlock terminal 32 is brought out of conduction. As a result, the relay circuit described above is turned off, the power supply circuit is opened, and the non-conduction state is established.
次に、本実施形態の作用について説明する。
本実施形態のサービスプラグ１０は、コネクタ部Ｃに対して取り付けることでコネクタ部Ｃの第１端子Ｃ１に対してパワーバスバー２２が接続され、バッテリユニットＢをインバータユニットＩを介してモータユニットＭと接続する電源回路が構成される。また、電源回路中にはリレー回路のオンオフによって前記電源回路のオンオフを切り換え可能なインターロック回路が設けられる。コネクタ部Ｃの第２端子Ｃ２とサービスプラグ１０のインターロック端子３２とが接続されることでリレー回路がオン状態となって電源回路をオン状態とし、第２端子Ｃ２とサービスプラグ１０のインターロック端子３２とが非接続となることでリレー回路がオフ状態となって電源回路が開状態となる。これによって、バッテリユニットＢからの電力供給を遮断することができる。
Next, the operation of this embodiment will be described.
The service plug 10 of the present embodiment is attached to the connector portion C so that the power bus bar 22 is connected to the first terminal C1 of the connector portion C, and the battery unit B is connected to the motor unit M via the inverter unit I. A power supply circuit to be connected is configured. Further, an interlock circuit capable of switching on/off of the power supply circuit by turning on/off the relay circuit is provided in the power supply circuit. By connecting the second terminal C2 of the connector part C and the interlock terminal 32 of the service plug 10, the relay circuit is turned on to turn on the power supply circuit, and the interlock between the second terminal C2 and the service plug 10 is performed. When the terminal 32 is disconnected, the relay circuit is turned off and the power supply circuit is opened. As a result, the power supply from the battery unit B can be cut off.
また、本実施形態のサービスプラグ１０は、アクチュエータ４１を有する電源遮断部１３が設けられ、衝突検知信号Ｓに基づいてアクチュエータ４１が動作するようになっている。 Further, the service plug 10 of the present embodiment is provided with the power cutoff unit 13 having the actuator 41, and the actuator 41 is operated based on the collision detection signal S.
図４（ａ）に示すように、アクチュエータ４１の作動前においては、ピストン部４３の柱状部４３ａの先端部がコネクタ部Ｃと当接している。このとき、インターロック端子３２と第２端子Ｃ２とは図１に示すように、電気的に接続された状態となっている。 As shown in FIG. 4A, the tip of the columnar portion 43a of the piston portion 43 is in contact with the connector portion C before the actuator 41 is actuated. At this time, the interlock terminal 32 and the second terminal C2 are electrically connected as shown in FIG.
図４（ｂ）に示すように、アクチュエータ４１が作動すると、前記ピストン部４３の円板部４３ｂが底部４２ａ側に押圧されて近接するように移動するようになる。このため、ピストン部４３の柱状部４３ａが更に外部に露出するように動作することで、ピストン部４３とコネクタ部Ｃとの間で反発力が発生する。この反発力により、切り換えレバー部１２の係合爪部３３とコネクタ部Ｃの係合突部Ｃ３との係合状態が解除され、図２に示すようにコネクタ部Ｃから切り換えレバー部１２が離間するように回動動作し、インターロック端子３２と第２端子Ｃ２とが離間されてインターロック端子３２と第２端子Ｃ２とが非導通状態となる。これによって電源回路が開状態となってバッテリユニットＢからの電力供給が遮断されるようになっている。 As shown in FIG. 4B, when the actuator 41 is operated, the disc portion 43b of the piston portion 43 is pressed toward the bottom portion 42a and moves closer to it. Therefore, the columnar portion 43a of the piston portion 43 operates so as to be further exposed to the outside, so that a repulsive force is generated between the piston portion 43 and the connector portion C. Due to this repulsive force, the engagement state between the engagement claw portion 33 of the switching lever portion 12 and the engagement protrusion C3 of the connector portion C is released, and the switching lever portion 12 is separated from the connector portion C as shown in FIG. The interlock terminal 32 and the second terminal C2 are separated from each other so that the interlock terminal 32 and the second terminal C2 are brought out of electrical conduction. As a result, the power supply circuit is opened and the power supply from the battery unit B is cut off.
次に、本実施形態の効果を記載する。
（１）車両Ｖの衝突検知信号Ｓに基づいて動作するアクチュエータ４１により切り換えレバー部１２のインターロック端子３２を第２端子Ｃ２と非導通状態とすることで電源回路を開状態としてバッテリユニットＢからの電力供給を遮断することができる。このように車両衝突時においてアクチュエータ４１の動作によってバッテリユニットＢからの電力供給を遮断することができるため、安全性を向上できる。
Next, the effects of this embodiment will be described.
(1) The actuator 41 that operates based on the collision detection signal S of the vehicle V causes the interlock terminal 32 of the switching lever unit 12 to be in a non-conductive state with the second terminal C2, thereby opening the power supply circuit from the battery unit B. The power supply can be cut off. As described above, since the power supply from the battery unit B can be shut off by the operation of the actuator 41 in the event of a vehicle collision, safety can be improved.
（２）アクチュエータ４１により切り換えレバー部１２が解除状態とすることでインターロック端子３２と第２端子Ｃ２とが非導通状態となって電源回路を開状態とされるため、車両衝突時においてサービスプラグ１０をコネクタ部Ｃから容易に取り外すことができる。 (2) When the switching lever portion 12 is released by the actuator 41, the interlock terminal 32 and the second terminal C2 are brought into a non-conductive state and the power supply circuit is opened, so that the service plug is provided in the event of a vehicle collision. 10 can be easily removed from the connector portion C.
（３）火薬式のアクチュエータ４１を用いることで車両衝突時のバッテリユニットＢからの電力供給を素早く遮断することが可能となる。
（４）車両衝突時の衝撃によって、ワイヤハーネスＷに含まれるプラス側高圧電線とマイナス側高圧電線との芯線同士が直接的に接触、又は、前記各電線が挿通されるシールドパイプの破断片やそれ以外の車両構成部品等、何らかの導体を介して各電線の芯線同士が接続されたことが想定される。しかしながら、本実施形態のサービスプラグ１０によってバッテリユニットＢからの電力供給が遮断されるため、各電線の芯線同士の短絡を抑制できる。
(3) By using the explosive-type actuator 41, it becomes possible to quickly cut off the power supply from the battery unit B at the time of a vehicle collision.
(4) The core wire of the positive side high-voltage wire and the negative side high-voltage wire included in the wire harness W directly contact with each other due to an impact at the time of a vehicle collision, or a broken piece of a shield pipe through which each of the electric wires is inserted, It is assumed that the cores of the electric wires are connected to each other through some conductor such as other vehicle components. However, since the power supply from the battery unit B is cut off by the service plug 10 of the present embodiment, it is possible to suppress a short circuit between the core wires of each electric wire.
（第２実施形態）
以下に、サービスプラグの第２実施形態について、図面に従って説明する。なお、図面では、説明の便宜上、構成の一部を誇張又は簡略化して示す場合がある。また、各部分の寸法比率についても、実際と異なる場合がある。また、本実施形態において、上記第１実施形態と同様の構成については、同一の符号を付して、その詳細な説明の一部又は全部を省略する。
(Second embodiment)
The second embodiment of the service plug will be described below with reference to the drawings. In the drawings, for convenience of description, a part of the configuration may be exaggerated or simplified. Also, the dimensional ratio of each part may be different from the actual one. Further, in the present embodiment, the same components as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be partially or entirely omitted.
図５に示すように、本実施形態のサービスプラグ１０は、本体部１１とコネクタ部Ｃとの間に電源遮断部１３を有する中間ユニット５１を有する。
中間ユニット５１には、ハウジング５２内に複数の電源遮断部１３が設けられる。本例では、本体部１１の中間ユニット５１との取付構造と、中間ユニット５１のコネクタ部Ｃとの取付構造が略同じであるため、例えば中間ユニット５１を省略した場合に本体部１１をコネクタ部Ｃに直接取り付けることが可能となっている。中間ユニット５１のハウジング５２には、その端部にコネクタ部Ｃの係合突部Ｃ３と係合する係合爪部５２ａと、切り換えレバー部１２の係合爪部３３が回動方向において係合する係合突部５２ｂとが設けられる。
As shown in FIG. 5, the service plug 10 of this embodiment has an intermediate unit 51 having a power cutoff unit 13 between the main body 11 and the connector C.
The intermediate unit 51 is provided with a plurality of power cutoff units 13 inside a housing 52. In this example, since the mounting structure of the main body part 11 with the intermediate unit 51 and the mounting structure of the connector part C of the intermediate unit 51 are substantially the same, for example, when the intermediate unit 51 is omitted, the main body part 11 is replaced with the connector part. It can be directly attached to C. In the housing 52 of the intermediate unit 51, an engaging claw portion 52a that engages with the engaging protrusion C3 of the connector portion C and an engaging claw portion 33 of the switching lever portion 12 engage in the rotation direction at the ends thereof. Engaging protrusion 52b is provided.
次に、本実施形態のサービスプラグ１０のメンテナンス時における取り外し工程について説明する。
図６に示すように、切り換えレバー部１２を回動するように操作して切り換えレバー部１２の係合爪部３３と中間ユニット５１の係合突部５２ｂとの係合状態を解除する。これによってインターロック端子３２とコネクタ部Ｃの第２端子Ｃ２とが非導通状態となって、バッテリユニットＢからの電力供給が遮断されるようになっている。
Next, the removal process at the time of maintenance of the service plug 10 of this embodiment will be described.
As shown in FIG. 6, the switching lever portion 12 is operated to be rotated to release the engagement state between the engagement claw portion 33 of the switching lever portion 12 and the engagement projection portion 52b of the intermediate unit 51. As a result, the interlock terminal 32 and the second terminal C2 of the connector portion C are brought into non-conduction, and the power supply from the battery unit B is cut off.
図７に示すように、切り換えレバー部１２を把持して本体部１１を中間ユニット５１から引き抜く。これにより、本体部１１のパワーバスバー２２とコネクタ部Ｃの第１端子Ｃ１とが非導通状態となって、電源回路が開放されてバッテリユニットＢからの電力供給が確実に遮断されるようになっている。 As shown in FIG. 7, the switching lever portion 12 is gripped and the main body portion 11 is pulled out from the intermediate unit 51. As a result, the power bus bar 22 of the main body portion 11 and the first terminal C1 of the connector portion C become non-conductive, the power supply circuit is opened, and the power supply from the battery unit B is surely cut off. ing.
上述したようにメンテナンス等で作業者がサービスプラグ１０を取り外す場合には本体部１１と中間ユニット５１とが分離するようになっている。
次に、本実施形態のサービスプラグ１０の車両衝突時における電力供給の遮断について説明する。
As described above, when the worker removes the service plug 10 for maintenance or the like, the main body 11 and the intermediate unit 51 are separated.
Next, the interruption of the power supply of the service plug 10 of this embodiment at the time of a vehicle collision will be described.
図８に示すように、サービスプラグ１０に入力される衝突検知信号Ｓに基づき、電源遮断部１３のアクチュエータ４１によりピストン部４３が中間ユニット５１からコネクタ部Ｃ側に飛び出すように動作することで、中間ユニット５１がコネクタ部Ｃから分離する、これにより、インターロック端子３２と第２端子Ｃ２とが非導通状態となるとともに、パワーバスバー２２と第１端子Ｃ１とが非導通状態となる。 As shown in FIG. 8, based on the collision detection signal S input to the service plug 10, the actuator 41 of the power cutoff unit 13 operates so that the piston unit 43 jumps out from the intermediate unit 51 to the connector unit C side. The intermediate unit 51 is separated from the connector portion C, whereby the interlock terminal 32 and the second terminal C2 become non-conductive, and the power bus bar 22 and the first terminal C1 become non-conductive.
本実施形態では、上記実施形態の（１）、（３）及び（４）の効果に加えて以下の効果を奏する。
（５）インターロック端子３２と第２端子Ｃ２とを非導通状態とするとともにパワーバスバー２２と第１端子Ｃ１とを非導通状態とすることができるため、電源回路を確実に開状態としてバッテリユニットＢからの電力供給を遮断することができる。
The present embodiment has the following effects in addition to the effects (1), (3) and (4) of the above embodiment.
(5) Since the interlock terminal 32 and the second terminal C2 can be made non-conductive and the power bus bar 22 and the first terminal C1 can be made non-conductive, the power supply circuit can be reliably opened and the battery unit. The power supply from B can be cut off.
なお、上記各実施形態は、以下のように変更してもよい。
・上記各実施形態では、電源遮断部１３として火薬式のアクチュエータ４１を用いる構成としたが、これに限らない。例えばプッシュソレノイドを用いてピストン部を動作させる機構を採用してもよい。
The above embodiments may be modified as follows.
In each of the above-described embodiments, the explosive-type actuator 41 is used as the power cutoff unit 13, but the present invention is not limited to this. For example, a mechanism for operating the piston portion using a push solenoid may be adopted.
・上記各実施形態では、切り換えレバー部１２を回動ピン３１を中心として本体部１１に対して回動可能な構成として、切り換えレバー部１２に回動動作によってコネクタ部Ｃの第２端子Ｃ２とインターロック端子３２との電気的接続を導通状態と非導通状態とで切り換える構成としたが、これに限らない。例えば、切り換えレバー部１２をスライドさせることでコネクタ部Ｃの第２端子Ｃ２とインターロック端子３２との電気的接続を導通状態と非導通状態とで切り換える構成としてもよい。このような構成において、切り換えレバー部１２のスライド方向は本体部１１をコネクタ部Ｃから引き抜く方向と交差する方向とし、切り換えレバー部１２を本体部１１に対してスライドさせた後に、切り換えレバー部１２を回動させた後に本体部１１をコネクタ部Ｃから引き抜き可能な構成を付加してもよい。このような構成の一例としては例えば特開２０１２−７９６４４号公報で開示されているサービスプラグがある。 In each of the above-described embodiments, the switching lever portion 12 is configured to be rotatable with respect to the main body portion 11 about the rotation pin 31, and the switching lever portion 12 is connected to the second terminal C2 of the connector portion C by the rotation operation. Although the electrical connection with the interlock terminal 32 is switched between the conductive state and the non-conductive state, the configuration is not limited to this. For example, by sliding the switching lever portion 12, the electrical connection between the second terminal C2 of the connector portion C and the interlock terminal 32 may be switched between a conducting state and a non-conducting state. In such a configuration, the switching lever portion 12 slides in a direction that intersects the direction in which the main body portion 11 is pulled out from the connector portion C, and after the switching lever portion 12 is slid with respect to the main body portion 11, the switching lever portion 12 A configuration may be added in which the main body portion 11 can be pulled out from the connector portion C after rotating the. As an example of such a configuration, there is a service plug disclosed in JP 2012-79644 A, for example.
・上記各実施形態では、衝突検知センサからの衝突検知信号Ｓに基づき電源遮断部１３による電力遮断を実施する構成としたが、これに限らない。例えば車両Ｖに搭載されるエアバッグの開動作の際にインフレータのイニシエータ（点火装置）に入力される電流を衝突検知信号として用いる構成を採用してもよい。 In each of the above embodiments, the power cutoff unit 13 cuts off the power based on the collision detection signal S from the collision detection sensor, but the present invention is not limited to this. For example, a configuration may be adopted in which the current input to the initiator (ignition device) of the inflator when the airbag mounted on the vehicle V is opened is used as the collision detection signal.
・上記各実施形態並びに各変形例は適宜組み合わせてもよい。 -The above-mentioned respective embodiments and respective modifications may be appropriately combined.
１０…サービスプラグ
１１…本体部
１２…切り換えレバー部
１３…電源遮断部
２２…パワーバスバー
３２…インターロック端子
４１…アクチュエータ
Ｂ…バッテリユニット（バッテリ）
Ｃ…コネクタ部
Ｃ１…第１端子
Ｃ２…第２端子
Ｍ…モータ（負荷）
Ｓ…衝突検知信号
Ｖ…車両
DESCRIPTION OF SYMBOLS 10... Service plug 11... Main body part 12... Switching lever part 13... Power supply interruption part 22... Power bus bar 32... Interlock terminal 41... Actuator B... Battery unit (battery)
C... Connector part C1... First terminal C2... Second terminal M... Motor (load)
S... Collision detection signal V... Vehicle
Claims (4)
前記コネクタ部の第１端子と接続されて前記電源回路に接続される一対のパワーバスバーを有する本体部と、
前記コネクタ部の第２端子と導通状態で前記電源回路を閉状態とし、前記コネクタ部の第２端子と非導通状態で前記電源回路を開状態とするインターロック端子を有する切り換えレバー部と、
前記車両の衝突検知信号に基づいて動作するアクチュエータにより少なくとも前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態として前記電源回路を開状態とする電源遮断部と、
を備えることを特徴とするサービスプラグ。 A service plug which is attachable to and detachable from a connector portion arranged on a power circuit between a vehicle battery and a load,
A main body portion having a pair of power bus bars connected to the first terminal of the connector portion and connected to the power supply circuit;
A switching lever section having an interlock terminal for closing the power supply circuit in a conductive state with the second terminal of the connector section and for opening the power supply circuit in a non-conductive state with the second terminal of the connector section;
A power cutoff unit for opening the power supply circuit by setting at least an interlock terminal of the switching lever unit in a non-conductive state with the second terminal by an actuator that operates based on a collision detection signal of the vehicle;
A service plug comprising:
前記切り換えレバー部は、前記本体部に対して回動動作により、前記本体部と前記コネクタ部との固定状態で保持する保持状態と、前記保持状態を解除して前記本体部を取り外し可能な解除状態とに切り換えるものであり、
前記電源遮断部は、前記アクチュエータにより、前記解除状態とすることで前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態として前記電源回路を開状態とすることを特徴とするサービスプラグ。 In the service plug according to claim 1,
The switching lever portion is rotated with respect to the main body portion to hold the main body portion and the connector portion in a fixed state, and to release the main body portion by releasing the holding state. To switch to the state,
The power cutoff unit opens the power supply circuit by setting the interlock terminal of the switching lever unit to a non-conductive state with the second terminal by setting the release state by the actuator. ..
前記電源遮断部は、前記本体部と前記コネクタ部との間に設けられて、前記アクチュエータにより前記切り換えレバー部のインターロック端子を前記第２端子と非導通状態とするとともに前記パワーバスバーを前記第１端子と非導通状態として前記電源回路を開状態とすることを特徴とするサービスプラグ。 In the service plug according to claim 1,
The power cutoff unit is provided between the main body unit and the connector unit, and makes the interlock terminal of the switching lever unit non-conductive with the second terminal by the actuator, and the power busbar with the second unit. A service plug, characterized in that the power supply circuit is opened in a non-conducting state with one terminal.
前記電源遮断部の前記アクチュエータは、前記衝突検知信号に基づき作動する火薬式のアクチュエータであることを特徴とするサービスプラグ。
In the service plug according to claim 2 or 3,
The service plug, wherein the actuator of the power cutoff unit is an explosive-type actuator that operates based on the collision detection signal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017053210A JP6705406B2 (en) | 2017-03-17 | 2017-03-17 | Service plug |
| US16/492,010 US10811822B2 (en) | 2017-03-17 | 2018-02-27 | Service plug |
| CN201880018308.5A CN110419090B (en) | 2017-03-17 | 2018-02-27 | Service plug |
| PCT/JP2018/007273 WO2018168445A1 (en) | 2017-03-17 | 2018-02-27 | Service plug |
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| JP2017053210A JP6705406B2 (en) | 2017-03-17 | 2017-03-17 | Service plug |
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| JP2018156855A JP2018156855A (en) | 2018-10-04 |
| JP6705406B2 true JP6705406B2 (en) | 2020-06-03 |
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| US (1) | US10811822B2 (en) |
| JP (1) | JP6705406B2 (en) |
| CN (1) | CN110419090B (en) |
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| JP6705406B2 (en) * | 2017-03-17 | 2020-06-03 | 株式会社オートネットワーク技術研究所 | Service plug |
| JP7311294B2 (en) * | 2019-03-29 | 2023-07-19 | 矢崎総業株式会社 | Power circuit breaker |
| US20220190535A1 (en) * | 2019-05-16 | 2022-06-16 | Hirschmann Automotive Gmbh | Plug connector with integrated voltage splitter |
| DE102019130582A1 (en) * | 2019-11-13 | 2021-05-20 | Hanon Systems | Sealing arrangement of a plug connection for plugging in electrical connections and device for driving a compressor with the sealing arrangement |
| GB2594321A (en) * | 2020-04-24 | 2021-10-27 | Eaton Intelligent Power Ltd | Manual service disconnect |
| CN117854957A (en) * | 2022-09-30 | 2024-04-09 | 哈廷电子基金会两合公司 | Switching device for high-voltage interlock circuit system |
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| WO2018168445A1 (en) | 2018-09-20 |
| US20200076129A1 (en) | 2020-03-05 |
| CN110419090B (en) | 2021-09-07 |
| CN110419090A (en) | 2019-11-05 |
| JP2018156855A (en) | 2018-10-04 |
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